Pengaruh Diabetes Melitus Terhadap Mata

Eyes are the window to life. Eyes are the most important and very meaningful sense that a person has. The eyes are the sense of sight that can be used to carry out daily activities. However, if someone's vision is disturbed, their activities will be disturbed. Many things can affect the quality of vision, one of which is diabetes mellitus. Diabetes mellitus can cause damage to the function of the eye and retina. Examples of diabetes mellitus in the eye are diabetic retinopathy, gaucoma and cataracts.

Pentingnya Pengukuran Pupil Distance (PD) Secara Tepat Untuk Menjaga Akurasi Distance Vitror (DV) Kacamata

Pupil Distance (PD) is measured in millimetres and even a slight variation can cause a number of vision and eye health problems due to inacurately fitting of Distance Vitror (DV). PD must be paralel to DV, therefore PD measurements must be committed throughtly. It requires comprehensive knowledge and technical skill. With the popularity of buying glasses online, a number of websites have come up with do-it-yourself measurements or apps that will take this measurement for you. The problem is that these are not scientifically accurate measurements and are not being performed by professionals. There is a large margin of error and buyers could end up with glasses that hurt their vision—not correct it.This research is aimed to show ideal procedure that must be committed in producing glasses to avoid inacurate PD measurement. The researcher uses library aprroach to gain related data and informations, then discuss the problem and solution in descriptive approach.

Pengaruh Kekontrasan Optotype Snellen Terhadap Tajam Penglihatan Pada Pemeriksaan Refraksi Subjektif

The visual acuity examination is affected by the contrast between the background of the optotype used and the letter. Changes in contrast result in unstable visual acuity and affect the examination results subjectively. The writing of this paper uses a descriptive method using a variety of literature data, one of which is by David Cline, John R. Hofstetter and Henry W., Griffin, with the title. Dictionary Of Visual Science, Fourth Edition which explains that contrast in Snellen's optotype affects visual acuity.

FAKTOR - FAKTOR YANG MEMPENGARUHI DERAJAT MIOPIA ANAK USIA SEKOLAH PADA PASIEN OPTIK RIZ-Q

This study was aimed at deciding risk factors of myopia suffered by school children and at finding out important prevention in order to eliminate the risk. The research was conducted in Riz-Q optical, located at Kembangan, West Jakarta. Employing qualitative method, the research collected data from children of Riz-Q optical customers suffering from myopia. The samples were school kids (15-19 years old) who were students of grade X-XII Senior High School. Findings of this study comfirm: (1) parents genetic significantly effects children prevalence to myopia; (2) behavior in using gadget, i.e., distance to eye, duration of use, body position when using gadget and low intensity of room as well as the lack of A and B vitamins usually derivating from food and sun light, significantly boost prevalence to myopia.

Faktor Pemilihan Bingkai Kacamata Untuk Lensa Progresif Pada Pasien Anomali Refraksi Yang Disertai Pesbiopia

Presbyopia is a condition of the eye that loses the ability to focus gradually, to see objects at close range. Presbyopia develops gradually, so someone sometimes just realizes the symptoms after passing the age of 40 years. Glasses are a tool to improve one's visual acuity. The choice of eyeglass frames for progressive lens use for presbyopia is very necessary to prevent inconvenience in using progressive lenses. A progressive lens is a lens where the strength of the lens gradually increases from the far zone, through the corridor to the near zone. In order for progressive lenses to provide optimal performance, first of all, the selection of eyeglass frames is right for the comfort of glasses wearers.